Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Jae Hee Noh"'
Publikováno v:
ICT Express, Vol 10, Iss 3, Pp 588-593 (2024)
In this paper, we design some new LDPC-coded orthogonal modulation (OM) schemes for high data rate transmissions (HDRT) in the navigation satellite systems. We analyze their error-performance utilizing soft-decision bit metrics and compare them with
Externí odkaz:
https://doaj.org/article/95c077f0f99d49629e7f444570367c24
Publikováno v:
Annual of Navigation. 26:65-75
Research on precise positioning is being actively carried out to provide accurate position information for land transportation. The most significant problem when performing precise positioning in urban canyon is the degradation of performance due to
Publikováno v:
ENC
In this paper, TTFFD according to the length of CED and the length of message frame is analyzed in order to design the structure of message of new satellite navigation signal. The GPS CNA V and GPS CNA V-2 message is used structures as the basis for
Publikováno v:
E3S Web of Conferences, Vol 94, p 02006 (2019)
GPS is used in various navigation fields. However, visibility is lowered in such an environment as urban canyon, and navigation performance deteriorates due to the visibility, multipath effect. So, in order to improve navigation performance in this e
Autor:
Chansik Park, Gwang Hee Jo, Jin Hyuk Lee, Jae Hee Noh, Jae-Min Ahn, Deok Won Lim, Sang Jeong Lee
Publikováno v:
E3S Web of Conferences, Vol 94, p 03006 (2019)
Various methods have been studied to mitigate the influence of multipath signals, representative methods focused the correlator structure are the Narrow Correlator and the Multipath Elimination Technique (MET). It is known that the MET has better per
Publikováno v:
E3S Web of Conferences, Vol 94, p 03005 (2019)
In general, the satellite signal received by GNSS receivers has errors such as satellite clock error, orbit error, ionospheric delay and tropospheric delay. In environments where high positioning accuracy is required, these error factors can be elimi